Authentic Vintage Whatman Watercolor Paper - set of 4 different sheets This set contains: 1 sheet Whatman Watercolour Paper 90 lb Rough 22x30 in 1 sheet Whatman Watercolour Paper 140 lb Rough 22x30 in 1 sheet Whatman Watercolour Paper 200 lb Rough 22x30 in 1 sheet Whatman Watercolour Paper 200 lb CP(Not) 22x30 in Whatman Watercolor papers are mouldmade, 100% cotton, acid free and neutral pH, two natural deckle edges, with a "WHATMAN" watermark and the Mill monogram. Very Rare and Authentic Vintage Whatman Watercolor Paper - no longer in production since 2002 and extremely hard to find. Available in white sheets only imperial size, 22x30 in (56x76 cm) in a variety of formats, in R, CP and HP finishes, in weights of 90, 140 and 200 lb (185, 290 and 400 GSM). I have more than 2000 sheets of these papers. If you are interested in buying larger quantities of these papers, please contact me for further information. All of the following are available in sufficient numbers: Whatman Watercolour Paper 90 lb Rough 22x30 in Whatman Watercolour Paper 140 lb HP 22x30 in Whatman Watercolour Paper 140 lb Rough 22x30 in Whatman Watercolour Paper 200 lb Rough 22x30 in Whatman Watercolour Paper 200 lb CP(Not) 22x30 in